<template>
  <div class="main">
    <div class="air-column">
      <h2>乘机人</h2>
      <el-form class="member-info">
        <!-- 乘机人信息列表，根据人数循环这个div -->
        <div class="member-info-item" v-for="(item, index) in form.users" :key="index">
          <el-form-item label="乘机人类型">
            <el-input placeholder="姓名" class="input-with-select" v-model="item.username">
              <el-select slot="prepend" value="1" placeholder="请选择">
                <el-option label="成人" value="1"></el-option>
              </el-select>
            </el-input>
          </el-form-item>

          <el-form-item label="证件类型">
            <el-input placeholder="证件号码" class="input-with-select" v-model="item.id">
              <el-select slot="prepend" value="1" placeholder="请选择">
                <el-option label="身份证" value="1" :checked="true"></el-option>
              </el-select>
            </el-input>
          </el-form-item>

          <!-- 删除乘机人，第一个乘机人不显示该按钮 -->
          <span class="delete-user" @click="handleDeleteUser(index)">-</span>
        </div>
      </el-form>

      <!-- 添加乘机人 -->
      <el-button class="add-member" type="primary" @click="handleAddUsers">添加乘机人</el-button>
    </div>

    <div class="air-column">
      <h2>保险</h2>
      <div>
        <!-- 循环渲染保险的数据，数据来源于后台 -->
        <div class="insurance-item" v-for="(item,index) in infoData.insurances" :key="index">
          <el-checkbox
            :label="`${item.type}：￥${item.price}/份×1  最高赔付${item.compensation}`"
            border
            @change="handleInsurance(item.id)"
          ></el-checkbox>
        </div>
      </div>
    </div>

    <div class="air-column">
      <h2>联系人</h2>
      <!-- 联系人信息 -->
      <div class="contact">
        <el-form label-width="60px">
          <el-form-item label="姓名">
            <el-input v-model="form.contactName"></el-input>
          </el-form-item>

          <el-form-item label="手机">
            <el-input placeholder="请输入内容" v-model="form.contactPhone">
              <template slot="append">
                <el-button @click="handleSendCaptcha">发送验证码</el-button>
              </template>
            </el-input>
          </el-form-item>

          <el-form-item label="验证码">
            <el-input v-model="form.captcha"></el-input>
          </el-form-item>
        </el-form>
        <!-- 提交订单 -->
        <el-button type="warning" class="submit" @click="handleSubmit">提交订单</el-button>
      </div>
    </div>
    <span v-show="false">{{allPrice}}</span>
  </div>
</template>

<script>
export default {
  data() {
    return {
      form: {
        // 用户列表，至少有一项
        users: [
          {
            username: "",
            id: ""
          }
        ],
        // 保险id集合
        insurances: [],
        contactName: "",
        contactPhone: "",
        captcha: "",
        invoice: true,
        seat_xid: "",
        air: ""
      },
      // 当前机票信息
      infoData: {}
    };
  },
  computed: {
    // 计算总金额
    allPrice() {
      if (!this.infoData.seat_infos) return;
      // 总金额
      let price = 0;
      // 单价
      price += this.infoData.seat_infos.org_settle_price;
      // 基建燃油费
      price += this.infoData.airport_tax_audlet;
      // 保险
      price += this.form.insurances.length * 30;
      // 乘以人数
      price *= this.form.users.length;
      // 保存到store对的allPrice
      this.$store.commit("air/setAllPrice", price);

      return "";
    }
  },
  methods: {
    // 添加乘机人
    handleAddUsers() {
      this.form.users.push({
        username: "",
        id: ""
      });
    },

    // 移除乘机人
    handleDeleteUser(index) {
      this.form.users.splice(index, 1);
    },
    // 选中保险选项时候触发
    handleInsurance(id) {
      // 先判断是否已经选中过该保险
      const index = this.form.insurances.indexOf(id);

      if (index > -1) {
        //如果已经选中了，就要删除该保险
        this.form.insurances.splice(index, 1);
      } else {
        // 如果没有选中就添加该保险id
        this.form.insurances.push(id);
      }
    },

    // 发送手机验证码
    async handleSendCaptcha() {
      // 判断是否有手机号码
      if (!this.form.contactPhone) {
        this.$message.error("请输入手机号码");
        return;
      }

      // 调用store下actions的发送手机验证码的方法
      const code = await this.$store.dispatch(
        "user/sendCaptcha",
        this.form.contactPhone
      );
      this.$message.success("模拟的手机验证码是：" + code);
    },

    // 提交订单
    handleSubmit() {
      // 修改作为id和航班的id,id:air是声明了别名
      const { id: air, seat_xid } = this.$route.query;

      this.form = {
        ...this.form,
        air,
        seat_xid
      };
      // 提交订单
      this.$axios({
        url: "/airorders",
        method: "POST",
        data: this.form,
        headers: {
          // Bearer属于jwt的token标准
          Authorization: "Bearer " + this.$store.state.user.userInfo.token
        }
      }).then(res => {
        const {
          data: { id }
        } = res.data;
        this.$message.success("订单提交成功,正在跳转....");
        //  跳转到付款页
        this.$router.push("/air/pay?id=" + id);
      });
    }
  },
  mounted() {
    const { id, seat_xid } = this.$route.query;
    // 请求当前机票的信息
    this.$axios({
      url: "/airs/" + id,
      params: {
        seat_xid
      }
    }).then(res => {
      // 保存机票当前的信息
      this.infoData = res.data;
      // 保存到store
      this.$store.commit("air/setInfoData", res.data);
    });
  }
};
</script>

<style scoped lang="less">
.air-column {
  border-bottom: 1px #ddd dashed;
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.air-column h2 {
  margin-bottom: 20px;
  font-size: 22px;
  font-weight: normal;
}

/deep/ .el-select .el-input {
  width: 130px;
}

.input-with-select {
  width: 590px;
}

.input-with-select /deep/ .el-input-group__prepend {
  background-color: #fff;
}
.member-info /deep/ .el-form-item {
  margin-bottom: 0;
}

.member-info-item {
  border-bottom: 1px #eee dashed;
  padding-bottom: 20px;
  position: relative;

  &:first-child {
    .delete-user {
      display: none;
    }
  }
}

.add-member {
  margin-top: 20px;
}

.delete-user {
  display: block;
  background: #ddd;
  width: 16px;
  height: 16px;
  font-size: 14px;
  text-align: center;
  line-height: 16px;
  color: #fff;
  cursor: pointer;
  border-radius: 50px;
  position: absolute;
  right: -30px;
  top: 50%;
}

.insurance {
  > div {
    margin-top: 10px;
  }
}

.insurance-item {
  margin-bottom: 20px;
}

.contact {
  /deep/ .el-input {
    width: 50%;
  }
}

.submit {
  margin: 50px auto;
  display: block;
  width: 250px;
  height: 50px;
}
</style>